Shannen posted a touching message underneath a picture of her curled up on the floor

On Friday, Shannen posted a photo of her curled up in the corner of a dance studio, burying her head in her knees as she revealed she had finally received some positive news following more than a year of chemotherapy and radiation therapy.

In a heartfelt post describing the moment she discovered she was in remission, she wrote: “Moments. They happen. Today was and is a moment.

“What does remission mean? I heard that word and have no idea how to react. Good news? YES. Overwhelming. YES. Now more waiting.”

Shannen Doherty thanks medical team in moving chemotherapy video

"As every single one of my fellow cancer family knows, the next five years is crucial. Reoccurrences happen all the time. Many of you have shared that very story with me. So with a heart that is certainly lighter, I wait.

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Shannen was diagnosed with breast cancer in 2015, and has been trying to beat the potentially lethal disease ever since.

At one point, she revealed that the cancer had spread to her lymph nodes in a highly emotional interview with Entertainment Tonight.

Shannen Doherty shaves her head in Instagram video after chemotherapy

During the interview, she said: "The unknown is always the scariest part. Is the chemo going to work? Is the radiation going to work? You know, am I going to have to go through this again, or am I going to get secondary cancer?."

"Everything else is manageable. Pain is manageable, you know living without a breast is manageable, it's the worry of your future and how your future is going to affect the people that you love."

However, thanks to a positive attitude and with the help of her close friends and family, including photographer husband Kurt Iswarienko, she decided to document her battle in order to inspire others and help spread awareness of what cancer survivors go through.